registry: add support for REG_MULTI_SZ to registry_push_value().

This enables us to fetch multi_sz values from registry...

Michael
(This used to be commit a8cedfef27a0400c6aa05ddb5e51308ce0b789bd)

1 files changed, 56 insertions, 0 deletions

diff --git a/source3/lib/util_reg_api.c b/source3/lib/util_reg_api.c
index fccc38ebc01..60031d97d30 100644
--- a/source3/lib/util_reg_api.c
+++ b/source3/lib/util_reg_api.c
@@ -152,6 +152,62 @@ WERROR registry_push_value(TALLOC_CTX *mem_ctx,
 		}
 		break;
 	}
+	case REG_MULTI_SZ: {
+		uint32_t count;
+		size_t len = 0;
+		char **strings;
+		size_t *string_lengths;
+		uint32_t ofs;
+		TALLOC_CTX *tmp_ctx = talloc_stackframe();
+
+		strings = TALLOC_ARRAY(tmp_ctx, char *,
+				       value->v.multi_sz.num_strings);
+		if (strings == NULL) {
+			return WERR_NOMEM;
+		}
+
+		string_lengths = TALLOC_ARRAY(tmp_ctx, size_t,
+					      value->v.multi_sz.num_strings);
+		if (string_lengths == NULL) {
+			TALLOC_FREE(tmp_ctx);
+			return WERR_NOMEM;
+		}
+
+		/* convert the single strings */
+		for (count = 0; count < value->v.multi_sz.num_strings; count++)
+		{
+			string_lengths[count] = convert_string_talloc(
+				strings, CH_UNIX, CH_UTF16LE,
+				value->v.multi_sz.strings[count],
+				strlen(value->v.multi_sz.strings[count])+1,
+				(void *)&strings[count], false);
+			if (string_lengths[count] == (size_t)-1) {
+				TALLOC_FREE(tmp_ctx);
+				return WERR_NOMEM;
+			}
+			len += string_lengths[count];
+		}
+
+		/* now concatenate all into the data blob */
+		presult->data = TALLOC_ARRAY(mem_ctx, uint8_t, len);
+		if (presult->data == NULL) {
+			TALLOC_FREE(tmp_ctx);
+			return WERR_NOMEM;
+		}
+		for (count = 0, ofs = 0;
+		     count < value->v.multi_sz.num_strings;
+		     count++)
+		{
+			memcpy(presult->data + ofs, strings[count],
+			       string_lengths[count]);
+			ofs += string_lengths[count];
+		}
+		presult->length = len;
+
+		TALLOC_FREE(tmp_ctx);
+
+		break;
+	}
 	case REG_BINARY:
 		*presult = data_blob_talloc(mem_ctx,
 					    value->v.binary.data,